<template>
	<view>
		<cu-custom bgColor="bg-cyan" isBack>
			<block slot="content">text文本编辑</block>
		</cu-custom>
		<view class="smart-page-head">
			<view class="smart-page-head-title">
				text文本组件
			</view>
		</view>
		<view class="smart-padding-wrap">
			<view class="text-box" scroll-y="true">
				<text>{{text}}</text>
			</view>
			<button type="primary" :disabled="!canAdd" @click="add">add line</button>
			<button type="warn" :disabled="!canRemove" @click="remove">remove line</button>
		</view>
	</view>
</template>


<script>
export default {
    data() {
        return {
            texts: [
                'HBuilder，500万开发者选择的IDE',
                'MUI，轻巧、漂亮的前端开源框架',
                'wap2app，M站快速转换原生体验的App',
                '5+Runtime，为HTML5插上原生的翅膀',
                'HBuilderX，轻巧、极速，极客编辑器',
                'uni-app，终极跨平台方案',
                'HBuilder，500万开发者选择的IDE',
                'MUI，轻巧、漂亮的前端开源框架',
                'wap2app，M站快速转换原生体验的App',
                '5+Runtime，为HTML5插上原生的翅膀',
                'HBuilderX，轻巧、极速，极客编辑器',
                'uni-app，终极跨平台方案',
                '......'
            ],
            text: '',
            canAdd: true,
            canRemove: false,
            extraLine: []
        }
    },
    methods: {
        add: function(e) {
            this.extraLine.push(this.texts[this.extraLine.length % 12]);
            this.text = this.extraLine.join('\n');
            this.canAdd = this.extraLine.length < 12;
            this.canRemove = this.extraLine.length > 0;
        },
        remove: function(e) {
            if (this.extraLine.length > 0) {
                this.extraLine.pop();
                this.text = this.extraLine.join('\n');
                this.canAdd = this.extraLine.length < 12;
                this.canRemove = this.extraLine.length > 0;
            }
        }
    }
}
</script>


<style>
</style>